Using a Standard Preset (802.16 OFDMA)

Preset to Standard configures the VSA to demodulate and measure a particular OFDMA signal that conforms to a profile of the IEEE Institute of Electrical and Electronics Engineers. A US-based membership organisation that includes engineers, scientists, and students in electronics and related fields. The IEEE developed the 802 series wired and wireless LAN standards. Visit the IEEE at http://www.ieee.org 802.16e OFDMA standard specification. Preset to Standard will configure the Standard, Nominal Bandwidth, and Downlink Frame Ratio parameters to match the specified profile. All other OFDMA parameters will be reset to a default state as described in the following "Preset to Standard Default" tables.

Preset to Standard also defaults to Manual Definition Source mode and a default zone definition, the current manual analysis zone and data burst definitions will be lost.

To configure the VSA. click the Preset to Standard control and select one of the listed OFDMA preset configurations.

1) The 802.16 OFDMA Demodulator must be selected before these Standard Presets are available.

2) For a description of the Standard profiles, see the Standard parameter topic.

Preset to Standard (Click to jump to table)	Description
TTA-Phase2 (WiBro)	8.75 MHz Megahertz: A unit of frequency equal to one million hertz or cycles per second. profile defined in IEEE 802.16e OFDMA standard.
IEEE 802.16e:5MHz	5 MHz profile defined in IEEE 802.16e OFDMA standard
IEEE 802.16e:10MHz	10 MHz profile defined in IEEE 802.16e OFDMA standard

Preset to Standard: 802.16e: 5MHz
Property Tab	Parameter	Downlink	Uplink
Format	Standard	IEEE 802.16 OFDMA	IEEE 802.16 OFDMA
	Nominal BW	5 MHz	5 MHz
	FFT Fast Fourier Transform: A mathematical operation performed on a time-domain signal to yield the individual spectral components that constitute the signal. See Spectrum. Length	512	512
	Bandwidth Ratio	28/25	28/25
	Guard Interval	1/8	1/8
	Frame Length	5 ms	5 ms
	Downlink Frame Ratio	.5	.5
	Preamble Index	0	na
	Override Preamble Definition	cleared	na
	IDCell	0	na
	Segment	0	na
	Subchannel Group Bitmask	63	na

Zone Definition	Enable Burst Analysis	selected	selected
	Enable Defined Burst Boosting Levels	selected	na
	Definition Source	Manual	Manual
	Zone Definition	DL Down Link (forward link: from base station to cell phone)-PUSC partial usage of subchannels: Some of the subchannels are allocated to the transmitter.	UL Up Link (reverse link: from cell phone to base station)-PUSC
	Use all Subchannels	cleared	na
	Dedicated Pilots	cleared	na
	STC Space Time Coding (STC) allows the transmitter to transmit signals (information) both in time and space, meaning the information is transmitted by two antennas at two different times consecutively. Mode	No STC/MIMO Multiple Input, Multiple Output: A physical layer (PHY) configuration in which both transmitter and receiver use multiple antennas.	na
	STC Matrix	A	na
	PrbsID	1	na
	Override IDCell with PermBase	selected and 0	na
	Offset	1 Symbols	0 Symbols
	Length	20 Symbols	12 Symbols
	Use Subchannel Rotation	na	selected
	PermBase	na	1
	Definition Type (defining bursts)	FCH	CDMA Code Division Multiple Access: One of several digital wireless transmission methods in which signals are encoded using a specific pseudo-random sequence, or code, to define a communication channel. A receiver, knowing the code, can use it to decode the received signal in the presence of other signals in the channel. This is one of several "spread spectrum" techniques, which allows multiple users to share the same radio frequency spectrum by assigning each active user an unique code. CDMA offers improved spectral efficiency over analog transmission in that it allows for greater frequency reuse. Other characteristics of CDMA systems reduce dropped calls, increase battery life and offer more secure transmission. See also IS-95. and FFB
	Allocation Geometry	Rectangular	Rectangular
	Data Tone Modulation	QPSK Quadrature phase shift keying	16-QAM Quadrature Amplitude Modulation
	Boosting Level	0 dB	na
	STC Mode	na	None
	Pilot Pattern	na	A

STC/MIMO	Measure Input Channel	Channel 1	Channel 1
	Enable Matrix Decoder	cleared	cleared
	Measure Matrix Stream	Stream 1	Stream 1
	Override Transmit Antenna Pilot Pattern	cleared and Sync to Transmit Anntenna 0	cleared and Sync to Transmit Antenna 0
	Enable Cyclic Delay Diversity (CDD Cyclic Delay Diversity (CDD): To avoid unintentional beamforming, the IEEE 802.11n draft standard uses a process known as Cyclic Delay Diversity (CDD), which basically offsets each spatial stream by a different constant, non-coherent delay. The offset considerably lowers the likelihood of correlated signals being transmitted by two or more antennas. This, in conjunction with a pseudorandom scrambler run over the transmitted data bits, ensures that the likelihood of two spatial streams correlating is very low.) Measurement	cleared	cleared
	Include inactive Antenna Path on MIMO Traces	cleared	cleared
	Normalize each MIMO Path in Frequency Response	selected	selected

Time	Acquistion Length	1 Frames	1 Frames
	Analysis Offset	0 Frames	0 Frames
	Pulse Search	selected	selected
	Sync Search Offset	na	cleared and 0 Symbols
	Include Zone Offset	na	cleared
	Override Measurement Region (demodulation)	cleared	cleared
	Measurement Offset	0 Symbols	0 Symbols
	Measurement Interval	1 Symbols	1 Symbols
	Measurement Region (non-demod)	Demodulation	Demodulation
	Include Transition Regions	cleared	cleared

Advanced	Enable additional demodulator settings	cleared	cleared
	Restrict bandwidth to standard values	selected	selected
Compensation	Compensate IQ Mismatch	cleared	cleared
	Mirror Frequency Spectrum	cleared	cleared
	Enable Multicarrier Filter	selected	selected
	Symbol Time Adjustment	-3.125%	-3.125%
Display Options	Burst Power is Per-subcarrier	selected	selected
	Compensate Modulation PRBS Pseudo-Random Binary Sequence (de-rotate)	cleared	cleared
	Normalize IQ Traces	selected	selected
Decoding	DL-MAP downlink map: A MAC message that defines burst start time for both time division multiplex and time division multiple access (TDMA) by a subscriber station (SS) on the downlink. Decoding	cleared	na
	UL-MAP Decoding	selected	na
	Decode to Map	selected	na
	Disable Data Tone Modulation Autodetect (use burst definitions)	cleared	cleared
Equalizer Training	Preamble Only	cleared	na
	Preamble, pilots and data	selected	na
	Preamble and pilots	cleared	na
	No equalization	na	cleared
	Pilots and data	na	selected
	Pilots Only	na	cleared
	Enable Equalizer Smoothing Filter	cleared	cleared
Pilot Training	Track Amplitude	clear	selected
	Track Phase	selected	selected
	Track Timing	selected	selected
Subcarrier Subset Selection	Select Subcarrier Region	cleared	cleared
	Subcarrier Offset	1	1
	Subcarrier Interval	1	1
Standard Interpretation	Use Cor1/D2 DL-PUSC cluster renumbering	na	na
Notes: 1) na: not available 2) Active Data Burst: This is the data bursts to be analyzed for the current measurement.

Preset to Standard: 802.16e: 10MHz
Property Tab	Parameter	Downlink	Uplink
Format	Standard	IEEE 802.16 OFDMA	IEEE 802.16 OFDMA
	Nominal BW	10 MHz	10 MHz
	FFT Length	1024	1024
	Bandwidth Ratio	28/25	28/25
	Guard Interval	1/8	1/8
	Frame Length	5 ms	5 ms
	Downlink Frame Ratio	.5	.5
	Preamble Index	0	na
	Override Preamble Definition	cleared	na
	IDCell	0	na
	Segment	0	na
	Subchannel Group Bitmask	63	na

Zone Definition	Enable Burst Analysis	selected	selected
	Enable Defined Burst Boosting Levels	selected	na
	Definition Source	Manual	Manual
	Zone Definition	DL-PUSC	UL-PUSC
	Use all Subchannels	cleared	na
	Dedicated Pilots	cleared	na
	STC Mode	No STC/MIMO	na
	STC Matrix	A	na
	PrbsID	1	na
	Override IDCell with PermBase	selected and 0	na
	Offset	1 Symbols	0 Symbols
	Length	20 Symbols	15 Symbols
	Use Subchannel Rotation	na	selected
	PermBase	na	1
	Definition Type (defining bursts)	FCH	CDMA and FFB
	Allocation Geometry	Rectangular	Rectangular
	Data Tone Modulation	QPSK	16-QAM
	Boosting Level	0 dB	na
	STC Mode	na	None
	Pilot Pattern	na	A

STC/MIMO	Measure Input Channel	Channel 1	Channel 1
	Enable Matrix Decoder	cleared	cleared
	Measure Matrix Stream	Stream 1	Stream 1
	Override Transmit Antenna Pilot Pattern	cleared and Sync to Transmit Anntenna 0	cleared and Sync to Transmit Antenna 0
	Enable Cyclic Delay Diversity (CDD) Measurement	cleared	cleared
	Include inactive Antenna Path on MIMO Traces	cleared	cleared
	Normalize each MIMO Path in Frequency Response	selected	selected

Time	Acquistion Length	1 Frames	1 Frames
	Analysis Offset	0 Frames	0 Frames
	Pulse Search	selected	selected
	Sync Search Offset	na	cleared and 0 Symbols
	Include Zone Offset	na	cleared
	Override Measurement Region (demodulation)	cleared	cleared
	Measurement Offset	0 Symbols	0 Symbols
	Measurement Interval	1 Symbols	1 Symbols
	Measurement Region (non-demod)	Demodulation	Demodulation
	Include Transition Regions	cleared	cleared

Advanced	Enable additional demodulator settings	cleared	cleared
	Restrict bandwidth to standard values	selected	selected
Compensation	Compensate IQ Mismatch	cleared	cleared
	Mirror Frequency Spectrum	cleared	cleared
	Enable Multicarrier Filter	selected	selected
	Symbol Time Adjustment	-3.125%	-3.125%
Display Options	Burst Power is Per-subcarrier	selected	selected
	Compensate Modulation PRBS (de-rotate)	cleared	cleared
	Normalize IQ Traces	selected	selected
Decoding	DL-MAP Decoding	cleared	na
	UL-MAP Decoding	selected	na
	Decode to Map	selected	na
	Disable Data Tone Modulation Autodetect (use burst definitions)	cleared	cleared
Equalizer Training	Preamble Only	cleared	na
	Preamble, pilots and data	selected	na
	Preamble and pilots	cleared	na
	No equalization	na	cleared
	Pilots and data	na	selected
	Pilots Only	na	cleared
	Enable Equalizer Smoothing Filter	cleared	cleared
Pilot Training	Track Amplitude	clear	selected
	Track Phase	selected	selected
	Track Timing	selected	selected
Subcarrier Subset Selection	Select Subcarrier Region	cleared	cleared
	Subcarrier Offset	1	1
	Subcarrier Interval	1	1
Standard Interpretation	Use Cor1/D2 DL-PUSC cluster renumbering	na	na
Notes: 1) na: not available 2) Active Data Burst: This is the data bursts to be analyzed for the current measurement.

Preset to Standard: TTA Telecommunications Technology Association (Korea): A telecommunications standards setting body in Korea.-Phase2 (WiBro
Property Tab	Parameter	Downlink	Uplink
Format	Standard	IEEE 802.16 OFDMA	IEEE 802.16 OFDMA
	Nominal BW	8.75 MHz	8.75 MHz
	FFT Length	1024	1024
	Bandwidth Ratio	8/7	8/7
	Guard Interval	1/8	1/8
	Frame Length	5 ms	5 ms
	Downlink Frame Ratio	.63952	.63952
	Preamble Index	0	na
	Override Preamble Definition	cleared	na
	IDCell	0	na
	Segment	0	na
	Subchannel Group Bitmask	63	na

Zone Definition	Enable Burst Analysis	selected	selected
	Enable Defined Burst Boosting Levels	selected	na
	Definition Source	Manual	Manual
	Zone Definition	DL-PUSC	UL-PUSC
	Use all Subchannels	cleared	na
	Dedicated Pilots	cleared	na
	STC Mode	No STC/MIMO	na
	STC Matrix	A	na
	PrbsID	1	na
	Override IDCell with PermBase	selected and 0	na
	Offset	1 Symbols	0 Symbols
	Length	20 Symbols	15 Symbols
	Use Subchannel Rotation	na	selected
	PermBase	na	1
	Definition Type (defining bursts)	FCH	CDMA and FFB
	Allocation Geometry	Rectangular	Wrapped
	Data Tone Modulation	QPSK	16-QAM
	Boosting Level	0 dB	na
	STC Mode	na	None
	Pilot Pattern	na	A

STC/MIMO	Measure Input Channel	Channel 1	Channel 1
	Enable Matrix Decoder	cleared	cleared
	Measure Matrix Stream	Stream 1	Stream 1
	Override Transmit Antenna Pilot Pattern	cleared and Sync to Transmit Anntenna 0	cleared and Sync to Transmit Antenna 0
	Enable Cyclic Delay Diversity (CDD) Measurement	cleared	cleared
	Include inactive Antenna Path on MIMO Traces	cleared	cleared
	Normalize each MIMO Path in Frequency Response	selected	selected

Time	Acquistion Length	1 Frames	1 Frames
	Analysis Offset	0 Frames	0 Frames
	Pulse Search	selected	selected
	Sync Search Offset	na	cleared and 0 Symbols
	Include Zone Offset	na	cleared
	Override Measurement Region (demodulation)	cleared	cleared
	Measurement Offset	0 Symbols	0 Symbols
	Measurement Interval	1 Symbols	1 Symbols
	Measurement Region (non-demod)	Demodulation	Demodulation
	Include Transition Regions	cleared	cleared

Advanced	Enable additional demodulator settings	cleared	cleared
	Restrict bandwidth to standard values	selected	selected
Compensation	Compensate IQ Mismatch	cleared	cleared
	Mirror Frequency Spectrum	cleared	cleared
	Enable Multicarrier Filter	selected	selected
	Symbol Time Adjustment	-3.125%	-3.125%
Display Options	Burst Power is Per-subcarrier	selected	selected
	Compensate Modulation PRBS (de-rotate)	cleared	cleared
	Normalize IQ Traces	selected	selected
Decoding	DL-MAP Decoding	cleared	na
	UL-MAP Decoding	selected	na
	Decode to Map	selected	na
	Disable Data Tone Modulation Autodetect (use burst definitions)	cleared	cleared
Equalizer Training	Preamble Only	cleared	na
	Preamble, pilots and data	selected	na
	Preamble and pilots	cleared	na
	No equalization	na	cleared
	Pilots and data	na	selected
	Pilots Only	na	cleared
	Enable Equalizer Smoothing Filter	cleared	cleared
Pilot Training	Track Amplitude	clear	selected
	Track Phase	selected	selected
	Track Timing	selected	selected
Subcarrier Subset Selection	Select Subcarrier Region	cleared	cleared
	Subcarrier Offset	1	1
	Subcarrier Interval	1	1
Standard Interpretation	Use Cor1/D2 DL-PUSC cluster renumbering	na	na
Notes: 1) na: not available 2) Active Data Burst: This is the data bursts to be analyzed for the current measurement.